<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>商品管理</el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodList()">
                <el-button slot="append" @click="getGoodList()" icon="el-icon-search"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddPage">添加商品</el-button>
            </el-col>
        </el-row>

        <!-- table表格区域 -->
        <el-table :data="goodslist" border stripe>
            <el-table-column type="index" label="#"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column label="商品名称(元)" width="100px" prop="goods_price"></el-table-column>
            <el-table-column label="商品重量" width="70px" prop="goods_weight"></el-table-column>
            <el-table-column label="创建时间" width="140px">
                <template slot-scope="scope">
                    {{scope.row.add_time | dateFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作" width="130px">
                <template slot-scope="scope">
                    <el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
                    <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>


        <!-- 分页区域 -->
        <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 7, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background>
        </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
    data(){
        return{
            // 查询参数对象
            queryInfo:{
                query: '',
                pagenum: 1,
                pagesize: 3
            },
            // 商品列表
            goodslist: [],
            // 总数居条数
            total: 0
        }
    },
    created(){
        this.getGoodList()
    },
    methods:{
        // 根据分页获取对应的商品列表
        async getGoodList(){
            const {data: res} = await this.$http.get('goods',{params: this.queryInfo})
            if(res.meta.status !== 200) return this.$message.error('获取商品列表失败！');
            // this.$message.success('获取商品列表成功！')
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodList()
        },
        // 删除商品
        async removeById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err=>err)
            if (confirmResult !== 'confirm') return this.$message.info('已取消删除！')
            const {data: res} = await this.$http.delete(`goods/${id}`)
            if (res.meta.status !== 200) return this.$message.error('删除失败！')
            this.$message.success('删除成功!')
            this.getGoodList()
        },
        goAddPage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style>

</style>